Almost any civilian tailor will know where to put it. They see more uniforms then most people think.

Depending on your distance to a real base, I wouldn't bet on it. Too much variation between branches, different uniforms and accoutrements to expect them to know what is what and where it goes. You, however, should be very familiar with your respective branch uniform regulations, and be able to tell them. It's just easier that way

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"... You feel the anger thinking of the loved ones you will never see again, and losing your life infuriates your soul. You rage to get to your feet and grab for a weapon, any weapon. Regardless of your race, culture, or religion, you want to die standing, fighting like a warrior, an American, so others won't have to. For those looking for a definition, this is the price of freedom.”